private static async Task SemaphoreExtensionsの実験()
{
Console.WriteLine();
Console.WriteLine("########## ########## ##########");
Console.WriteLine("SemaphoreExtensionsの実験");
{
Console.WriteLine();
Console.WriteLine("排他処理しない場合");
var tasks = Enumerable.Range(0, 5).Select(t => Task.Run(async() =>
{
Console.Write($"{t} -> ");
await Task.Delay(100);
Console.WriteLine($"<- {t}");
}));
await Task.WhenAll(tasks);
}
{
Console.WriteLine();
Console.WriteLine("排他処理する場合");
var s = new SemaphoreSlim(1);
var tasks = Enumerable.Range(1, 5).Select(t => Task.Run(async() =>
{
await s.Critical(async() =>
{
Console.Write($"{t} -> ");
await Task.Delay(10);
Console.WriteLine($"<- {t}");
});
}));
await Task.WhenAll(tasks);
}
}